.citylist {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow-y: auto;
    .top {
        width: 100%;
        height: 100px;
        display: flex;
        background: #CCC;
        font-size: 20px;
        align-items: center;
        position: sticky;
        top: 0;
        z-index: 990;
        i {
            font-size: 20px;
        }
        span {
            margin-left: 35%;
            font-weight: bolder;
        }
    }
    .content {
        flex: 1;
        margin-top: 20px;
    }
    .rv-index-bar__index {
        font-size: 16px;
        margin: 6px 0;
        margin-right: 12px;
    }
    .rv-index-bar__index--active {
        color: tomato;
    }
}